In order to enable control related to radio communication to be performed more appropriately when radio transmission schemes coexist, a radio communication apparatus according to an example aspect of the present invention includes a radio communication processing unit configured to perform communication using a first radio transmission scheme within a frequency band, wherein the radio communication processing unit is configured to perform communication using a second radio transmission scheme within a bandwidth part of the frequency band, radio resources within the bandwidth part being allocable for communication using the second radio transmission scheme.

Provided are a method and apparatus for determining a measurement gap, and a terminal device. The method comprises: a terminal device determining, on the basis of a positional relationship between a first signal and a first BWP and a subcarrier spacing of the first signal, whether measurement of the first signal needs a measurement gap, wherein the first BWP is an active BWP of a serving cell, and the first signal is a reference signal sent by a target cell.

A method of determining a performance metric for a selection of a first user and a second user among a set of candidate users for attribution to a sub-band in a multiple access communications system based on Non-Orthogonal Multiple Access (NOMA), is provided wherein the first user (k.sub.1) and the second user (k.sub.2) are selected as the pair of candidate users corresponding to an extremum of the ratio between a first term reflecting the total throughput achievable by any pair of the candidate users assigned to the sub-band (s) under consideration, and a second term reflecting the known throughput achieved by that same pair of candidate users over a predetermined preceding period. Implementations include a method of determining a performance metric is presented for attributing users to one or more of a plurality of sub-bands in a multiple access communications system, wherein in an initial assignment phase for a specific sub-band, a first user is selected for that band on the basis of one or more criteria such as user priority. Then a second sub-band user maximizing or minimizing the performance metric.

A transmitter device, a receiver device and a transceiver device for a multicarrier modulation scheme. The transmitter device is configured to obtain a plurality of signature roots based on receiving a feedback message from a receiver device, construct a Lagrange matrix or a Vandermonde matrix from the plurality of signature roots, and generate a multicarrier modulated signal based on the Lagrange matrix or the Vandermonde matrix. The receiver device is configured to determine a plurality of signature roots, construct a Lagrange matrix or a Vandermonde matrix from the plurality of signature roots, and perform a demodulation of a multicarrier modulated signal based on the Lagrange matrix or the Vandermonde matrix. The transceiver device comprises a transmitter device configured to generate a multicarrier modulated signal, and a receiver device configured to perform a demodulation of the multicarrier modulated signal.

Provided is a wireless relay system including multiple terminal station apparatuses and a base station apparatus. The base station apparatus includes: a base station reception unit that respectively receives pieces of upstream data traffic from the multiple terminal station apparatuses; an encoding unit that, if pieces of upstream data traffic that require mutual forwarding in opposite directions are present in the respective pieces of upstream data traffic, performs network encoding on the respective pieces of upstream data traffic such that the pieces of upstream data traffic are pieces of data traffic of mutually identical content; and a base station transmission unit that simultaneously transmits encoded data traffic as downstream data traffic to the multiple terminal station apparatuses. The terminal station apparatuses each include: a terminal station transmission unit that transmits the upstream data traffic to the base station apparatus; a terminal station reception unit that receives the encoded data traffic; and a decoding unit that decodes the encoded data traffic using the upstream data traffic.

A wireless device receives configuration parameters of a bandwidth part comprising resource block (RB) sets, wherein control channel elements (CCEs) are across the RB sets and a subset of the CCEs, within each RB set of the RB sets, are indexed from a same initial value. Control information is received via one or more CCEs of a first subset, of the CCEs, within an RB set of the RB sets. The wireless device transmits a signal via an uplink resource based on an index of a CCE of the one or more CCEs.

The present invention relates to single carrier modulation schemes, and presents a transmitter device, a receiver device and a transceiver device for a single carrier modulation scheme. The transmitter device is configured to generate a plurality of signature roots for a single carrier transmission, construct a Lagrange matrix and a Vandermonde matrix based on the plurality of signature roots, and generate a single carrier modulated signal based on the Lagrange and the Vandermonde matrix. The receiver device is configured to determine a plurality of signature roots, construct at least two Vandermonde matrices from the plurality of signature roots, and perform a demodulation of a single carrier modulated signal based on the at least two Vandermonde matrices. The transceiver device comprising a transmitter device configured to generate a single carrier modulated signal, and a receiver device configured to perform a demodulation of the single carrier modulated signal.

The present disclosure provides a method in a network device. The method includes: obtaining a node configuration associated with a set of Transmitting/Receiving Points, TRPs; selecting, from the set of TRPs, one or more IAB TRPs associated with a terminal device based on the node configuration and similarity metrics between an initial position estimate and historical positioning results for the terminal device; and transmitting a measurement request to a serving TRP associated with the terminal device and each of the one or more IAB TRPs; receiving, from each of the serving TRP and at least one of the one or more IAB TRPs, a measurement report indicating a Timing Advance, TA, associated with that TRP and the terminal device.

A method for a wireless device operating in a wireless communication system includes receiving configuration information for configuring a non-Physical Uplink Control Channel (PUCCH) cell; and transmitting a Hybrid Automatic Repeat request (HARQ) feedback of the non-PUCCH cell on a special cell (SpCell) or a PUCCH cell other than SpCell, according to indication information. Further, when the indication information is not received with the configuration information, the HARQ feedback is transmitted on the SpCell, and when the indication information is received with the configuration information, the HARQ feedback is transmitted on the PUCCH cell.

A first V2X wireless device may transmit a first discovery request to a V2X network entity. The a V2X network entity may comprise a first wireless device identifier and a V2X value. The V2X value may indicate a V2X communication capability. The first V2X wireless device may receive a first discovery response from the V2X network entity. The first discovery response may comprise a first discovery code. The first discovery code may correspond to at least the V2X value. The first V2X wireless device may perform a discovery procedure. The discovery procedure may employ the first discovery code. The first V2X wireless device may communicate, with a second V2X wireless device by employing the V2X communication capability, one or more packets in response to the discovery procedure connecting the first V2X wireless device with the second V2X wireless device.